[all-commits] [llvm/llvm-project] ba3f26: [DAG] Add MaskedVectorIsZero helper

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ba3f2667b60cf730105dc6f3146e67b1b938a348
      https://github.com/llvm/llvm-project/commit/ba3f2667b60cf730105dc6f3146e67b1b938a348
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-06-19 (Sun, 19 Jun 2022)

  Changed paths:
    M llvm/include/llvm/CodeGen/SelectionDAG.h
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [DAG] Add MaskedVectorIsZero helper

Equivalent to MaskedValueIsZero, except its checking if all of the demanded vectors elements are known to be zero